1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Test for measured boot functions
4  *
5  * Copyright 2023 IBM Corp.
6  * Written by Eddie James <eajames@linux.ibm.com>
7  */
8 
9 #include <bootm.h>
10 #include <env.h>
11 #include <malloc.h>
12 #include <test/test.h>
13 #include <test/ut.h>
14 #include <asm/io.h>
15 
16 #define MEASUREMENT_TEST(_name, _flags)	\
17 	UNIT_TEST(_name, _flags, measurement)
18 
measure(struct unit_test_state * uts)19 static int measure(struct unit_test_state *uts)
20 {
21 	struct bootm_headers images;
22 	const size_t size = 1024;
23 	u8 *kernel;
24 	u8 *initrd;
25 	size_t i;
26 
27 	kernel = malloc(size);
28 	initrd = malloc(size);
29 
30 	images.os.image_start = map_to_sysmem(kernel);
31 	images.os.image_len = size;
32 
33 	images.rd_start = map_to_sysmem(initrd);
34 	images.rd_end = images.rd_start + size;
35 
36 	images.ft_addr = malloc(size);
37 	images.ft_len = size;
38 
39 	env_set("bootargs", "measurement testing");
40 
41 	for (i = 0; i < size; ++i) {
42 		kernel[i] = 0xf0 | (i & 0xf);
43 		initrd[i] = (i & 0xf0) | 0xf;
44 		images.ft_addr[i] = i & 0xff;
45 	}
46 
47 	ut_assertok(bootm_measure(&images));
48 
49 	free(images.ft_addr);
50 	free(initrd);
51 	free(kernel);
52 
53 	return 0;
54 }
55 MEASUREMENT_TEST(measure, 0);
56